Magnet-type sensing module

1. A magnet-type sensing module, comprising: a control circuit, the control circuit being provided with a processing unit, a magnetic sensing unit and a magnetic element, wherein the processing unit is electrically connected to the magnetic sensing unit, the magnetic sensing unit senses a magnetic change of the magnetic element to generate a first voltage change value or a second voltage change value, the processing unit receives the first voltage change value and generates an output activate voltage, and the processing unit receives the second voltage change value and generates an output turn-off voltage; at least one signal generating component, the signal generating component being electrically connected to the control circuit and receiving the output activate voltage to generate an output signal; and an accommodating component, the control circuit being disposed in the accommodating component, and a slot being formed in a bottom of the accommodating component, and the magnetic element being relatively disposed in the slot.

2. The magnet-type sensing module as claimed in claim 1 , wherein the magnetic sensing unit is a Hall switch or a magnetic sensor.

3. The magnet-type sensing module as claimed in claim 1 , wherein a metal member is disposed on the bottom of the accommodating component, and the metal member is relatively disposed at a side of the magnetic element.

4. The magnet-type sensing module as claimed in claim 1 , further comprising a power supply component, and the power supply component being electrically connected to the control circuit.

5. The magnet-type sensing module as claimed in claim 1 , wherein the accommodating component is disposed adjacent to a position of a metal component, when the metal component is away from the magnetic element, the magnetic sensing unit senses a magnetic change of the magnetic element and generates the first voltage change value, and the processing unit receives the first voltage change value and generates the output activate voltage.

6. The magnet-type sensing module as claimed in claim 1 , wherein the accommodating component is disposed adjacent to a position of a metal component, when the metal component is close to the magnetic element, the magnetic sensing unit senses a magnetic change of the magnetic element and generates the second voltage change value, and the processing unit receives the second voltage change value and generates the output turn-off voltage.

7. The magnet-type sensing module as claimed in claim 6 , wherein the signal generating component is electrically connected to the control circuit and receives the output turn-off voltage to turn off an output signal.

8. The magnet-type sensing module as claimed in claim 6 , further comprising a near-field sensing unit correspondingly disposed on the control circuit and electrically connected to the control circuit, and the near-field sensing unit being used to perform a near-field sensing procedure for sensing a near-field distance of the control circuit and the metal component to generate a near-field sensing signal.

9. The magnet-type sensing module as claimed in claim 8 , wherein the control circuit further performs an interference procedure of noise mitigation to reduce noise in the near-field sensing signal.

10. The magnet-type sensing module as claimed in claim 9 , wherein the control circuit further comprises an analog-to-digital converter, a median filter and a slope limiter, the median filter and the slope limiter are coupled to the analog-to-digital converter, the analog-to-digital converter is used for converting the near-field sensing signal into a digital near-field sensing signal, the median filter is used for performing a median filtering operation on the digital near-field sensing signal to filter out a surge noise in the digital near-field sensing signal, and the slope limiter is used for performing a slope limiting operation on the digital near-field sensing signal to filter out a drastic noise in the digital near-field sensing signal, the control circuit generates an operation signal according to results of the median filtering operation and the slope limiting operation, and the interference procedure of noise mitigation comprises the median filtering operation and the slope limiting operation.

11. The magnet-type sensing module as claimed in claim 10 , wherein the control circuit further comprises a low-pass filter for performing a low-pass filtering operation on the operation signal to generate a low-pass filter signal.

12. The magnet-type sensing module as claimed in claim 11 , wherein the low-pass filtering operation comprises a self-learning procedure, wherein the low-pass filter performs the self-learning procedure on the operation signal to achieve low-pass filtering of the operation signal to generate the low-pass filter signal, wherein the self-learning procedure comprises the following steps of: (A) calculating an initial average value of the operation signal; (B) comparing the operation signal with the initial average value; (C) when the operation signal is not less than the initial average value, increasing the initial average value to generate the low-pass filter signal; (D) when the operation signal is less than the initial average value, reducing the initial average value to generate the low-pass filter signal; (E) comparing the operation signal with the low-pass filter signal; (F) when the operation signal is not less than the low-pass filter signal, increasing the low-pass filter signal to generate the new low-pass filter signal; (G) when the operation signal is less than the low-pass filter signal, reducing the low-pass filter signal to generate the new low-pass filter signal; and (H) repeating the step (E).

13. The magnet-type sensing module as claimed in claim 1 , wherein the control circuit further has a voltage protection unit electrically connected to the processing unit and the power supply component, and the voltage protection unit is used to prevent the control circuit from being damaged due to short circuit.

14. The magnet-type sensing module as claimed in claim 13 , wherein the control circuit further has a power source management unit electrically connected to the processing unit and the power supply component, and the control circuit achieves a power saving mode for the magnetic sensing unit through the power source management unit.